umputun/remark42

Spam filter on the backend side

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#754 opened on Jul 28, 2020

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backenddiscussionhelp wanted

Description

On new comment post and edit, we may run spam-check and reject spammy-looking messages. Not sure what the simplest way to do it, maybe some third-part library or service (akismet?), or maybe implement it from scratch.

somewhat related to #344

Contributor guide

Tech stack
gorest api
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
familiarity with Go
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
First, investigate the comment posting and editing logic in the backend (likely in handler files like /backend/app/api/rest/handler.go or similar). Look at how new comments are stored and if there is any validation. Research existing spam detection services such as Akismet or implement a simple heuristic based filter. The issue references #344, which might give context. Consider adding a configuration option to enable spam checking.